Godot build Bintray deployment (Travis, macOS)

.bintray.json

{
	"package": {
		"name": "editor",
		"repo": "godot",
		"subject": "calinou"
 	},
	"version": {
		"name": "${VERSION}",
		"desc": "Autogenerated Godot Engine Editor build",
		"released": "${DATE}",
		"vcs_tag": "",
		"gpgSign": false
	},
	"files":
		[
		  {"includePattern": "Godot-macOS-x86_64.dmg", "uploadPattern": "Godot-macOS-x86_64-${VERSION}.dmg"}
		],
	"publish": true
}